Have you ever been in the area where your cell phone doesn’t
work, all the signals on your phone has gone dead? Don’t worry, you may be in the range of a
mobile phone jammer. It is a device that is used to block the signals of a cell
phone. This device is introduced in the market to offer relief from unwanted
calls. There are many people who constantly use their cell phones and speak
loudly creating a noise for everyone else present there. This is the main
reason 4G jammers are installed in public places like hospitals, libraries,
theaters, religious places such as temples, churches, etc.
Some people started misusing this device for many improper
purposes like theft and kidnapping. They use jammer in robbery so that the
people can not able to call the police for help. Just because of this reason
these jammers are banned in some countries. Two more places where these jammers
are legally used such as banks and jails. Due to many security reasons jammers
are used in these places to block unwanted usage of mobile which is the main
device during the theft. This device is also legal for military uses and their
operations.
These jammers are handled with lots of care so they don’t
interfere with regular usage of mobile phones to avoid emergency calls.
Although it is a powerful device, it looks like a mobile phone itself. However,
the sizes of this device depend on its uses. It comes in different sizes from portable
size to standard to tower size jammer. A big jammer can block the signals of an
entire building. Some jammers come with frequency filters which are used to
block many frequencies without interrupting other frequencies.
So,
a 4G jammer is a device which is used for various safety reasons.
